Class: SlowBlink::Message::TestData

Inherits:
Object
  • Object
show all
Defined in:
lib/slow_blink/message/test_data.rb

Instance Method Summary collapse

Constructor Details

#initialize(model) ⇒ TestData

generate test data for a particular model



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# File 'lib/slow_blink/message/test_data.rb', line 27

def initialize(model)
    @model = model
end

Instance Method Details

#fieldData(field, **opts) ⇒ Object

return a random valid test value for a given field type



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# File 'lib/slow_blink/message/test_data.rb', line 55

def fieldData(field, **opts)


    if !field.is_a? SlowBlink::Field
        ArgumentError.new "field argument must be an instance of SlowBlink::Field"
    end

    case field.type.class
    when SlowBlink::FIXED
        s = (0...field.type.size).map { (65 + rand(26)).chr }.join
        
        s
        
    when SlowBlink::BINARY, SlowBlink::STRING
        if field.type.size
            s = (0...rand(field.type.size)).map { (65 + rand(26)).chr }.join
        else
            s = (0...rand(50)).map { (65 + rand(26)).chr }.join
        end
        
        s
        
    when SlowBlink::BOOLEAN
        
        [true, false].sample
        
    when SlowBlink::U8, SlowBlink::U16, SlowBlink::U32, SlowBlink::U64, SlowBlink::I8, SlowBlink::I16, SlowBlink::I32, SlowBlink::I64
        
            rand(field.type.class::RANGE)
        
    when SlowBlink::FLOATING_POINT, SlowBlink::DECIMAL
        
            rand(Float::MIN, Float::MAX)
        
    when SlowBlink::ENUM
        
            field.type.symbols.sample.name
        
    when SlowBlink::MILLI_TIME, SlowBlink::NANO_TIME, SlowBlink::DATE

            0
        
    when SlowBlink::TIME_OF_DAY_MILLI, SlowBlink::TIME_OF_DAY_NANO
        
            0
                            
    when SlowBlink::StaticGroup

        
        set(field.type.name)
        

    when SlowBlink::DynamicGroup

        set(field.type.groups.select{|g|g.id}.sample.name)
        
    else
        raise "no support for #{field.type}"
    end
        
end

#set(name) ⇒ Object

create an instance of group (name) and initialise the fields



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# File 'lib/slow_blink/message/test_data.rb', line 33

def set(name)
    group = @model.group(name).new
    @model.schema.groups.detect{|g|g.name == name}.fields.each do |f|

        data = fieldData(f)

        if !f.optional? and data.nil?
            raise "what the its #{f.type}"
        end
        
        if f.type.sequence? and data
            group[f.name] = [data]
        else
            group[f.name] = data
        end                
    end
    group
end